Please I need help with number 54 and 61 please An aqueous NaCl solution is made...
An aqueous NaCl solution is made using 126 g ofNaCl diluted to a total solution volume of 1.00 L . Calculate the molarity of the solution. Express your answer using three significant figures. M = 2.16 M Part B Calculate the molality of the solution. (Assume a density of 1.08 g/mL for the solution.) Express your answer using two significant figures. m = 2.3 m Part C Calculate the mass percent of the solution. (Assume a density of 1.08 g/mL...
An aqueous NaCl solution is made using 116 g of NaCl diluted to a total solution volume of 1.30 L . Part A Calculate the molarity of the solution. Express your answer using three significant figures. Part B Calculate the molality of the solution. (Assume a density of 1.08 g/mL for the solution.) Express your answer using two significant figures.
An aqueous KNO3 solution is made using 82.5 g of KNO3 diluted to a total solution volume of 1.83 L . (Assume a density of 1.05 g/mL for the solution.) calculate molarity, molality and mass percent Need help finding molality
7. What is the mole fraction of urea, CH4N2O, in an aqueous solution that is 46% urea by mass? 8. What volume of a 0.850 M solution of CaCl2 contains 1.28 g of solute? 9. The volume of a 27.0% (by mass) solution is 162.9 mL. The density of the solution is 1.128 g/mL. What is the mass of solute in this solution? 10. Concentrated sodium hydroxide is 19.4 M and has a density of 1.54 g/mL. What is the...
Could please help me with my homework? Thanks in advance! A solution is made by dissolving 13.5 g of glucose (C_6H_12O_6) in 0.100 kg of water. What is the mass percentage of solute in this solution? What is the molarity of this solution? Assume that the density of approximately 1.00 g/mL A solution with a density of 0.876 g/mL contains 5.0 g of toluene (C_7H_8) and 225 g of benzene (C_6H_6). Calculate the molarity of the solution. A 2.5-g sample...
An aqueous KNO3 solution is made using 76.8 g of KNO3 diluted to a total solution volume of 2.01 L . (Assume a density of 1.05 g/mL for the solution.) a)Calculate the molality of the solution. b)Calculate the mass percent of the solution.
An aqueous KNO3 solution is made using 77.8 g of KNO3 diluted to a total solution volume of 1.98 L . (Assume a density of 1.05 g/mL for the solution.) Calculate the molarity of the solution. Calculate molality of the solution. Calculate the mass percent of the solution.
An aqueous NaCl solution contains 1.343x10* ppm NaCl. The density of water is 1.000g/ml. The density of the solution is 1.08 g/mL. The molar mass of NaCl is 58.44g/mol. Keep the correct number of significant figures. a) What is the molality of NaCl? b) What is the molarity of NaCl? c) What is the (mass/volume)% is unit of (kg/L)%? d) What is mass percent? e) What is mole fraction of NaCl?
An aqueous KNO3 solution is made using 78.9 g of KNO3 diluted to a total solution volume of 1.85 L. (Assume a density of 1.05 g/mL for the solution.) Calculate the molality of the solution.
An aqueous KNO3 solution is made using 81.6 g of KNO3 diluted to a total solution volume of 1.86 L. (Assume a sensory of 1.05 g/mL for the solution). A) calculate the molarity B) calculate the molality C) calculate the mass percent